# Building permits at 4121 Westcliffe Ct, Boulder, CO

15 permits on record here. The newest, May 29, 2025: Install replacement 20 seer 3 ton heat pumps (x2) w/reconnects (x2). Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| May 29, 2025 | Mechanical (HVAC) | Install replacement 20 seer 3 ton heat pumps (x2) w/reconnects (x2) | $28,470 | [MEC2025-00840](https://nearbypermits.com/boulder/permit/MEC2025-00840/) |
| Jun 5, 2024 | Electrical | 2X tesla powerwall 3 1707000-xx-y [240v] PV inverters 1x tesla energy gateway generation panel enclosed circuit breaker utility PV ac disconnect. To an already existing PV Solar System. | $27,500 | [ELE2024-00400](https://nearbypermits.com/boulder/permit/ELE2024-00400/) |
| Dec 11, 2023 | Mechanical (HVAC) | install replacement 50 gallon 40k btu gas water heater | $4,940 | [MEC2023-01844](https://nearbypermits.com/boulder/permit/MEC2023-01844/) |
| Sep 15, 2022 | Electrical | Installation of a 7.830kW dc flush roof-mounted PV solar energy system. | $47,774 | [ELE2022-01273](https://nearbypermits.com/boulder/permit/ELE2022-01273/) |
| Apr 18, 2018 | Electrical | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Remodel of a single family dwelling, scope includes 1 room in basement (previously unfinished), approximately 240 sf. Scope includes electrical and interior finishes. | $170 | [ELE2018-00061](https://nearbypermits.com/boulder/permit/ELE2018-00061/) |
| Apr 18, 2018 | Alteration or repair | Remodel of a single family dwelling, scope includes 1 room in basement (previously unfinished), approximately 240 sf. Scope includes electrical and interior finishes. | $9,200 | [BLD-SFD2018-00031](https://nearbypermits.com/boulder/permit/BLD-SFD2018-00031/) |
| Oct 2, 2014 | Plumbing | First time basement finish for SFDD. Scope to include new bathroom on existing rough-ins, a new bedroom, and family room. Includes assoc. Mep's. | $1,500 | [PMT2014-04518-PLB](https://nearbypermits.com/boulder/permit/PMT2014-04518-PLB/) |
| Oct 2, 2014 | Mechanical (HVAC) | First time basement finish for SFDD. Scope to include new bathroom on existing rough-ins, a new bedroom, and family room. Includes assoc. Mep's. | $1,000 | [PMT2014-04518-MEC](https://nearbypermits.com/boulder/permit/PMT2014-04518-MEC/) |
| Oct 2, 2014 | Electrical | First time basement finish for SFDD. Scope to include new bathroom on existing rough-ins, a new bedroom, and family room. Includes assoc. Mep's. | $3,500 | [PMT2014-04518-ELE](https://nearbypermits.com/boulder/permit/PMT2014-04518-ELE/) |
| Oct 2, 2014 | Alteration or repair | First time basement finish for SFDD. Scope to include new bathroom on existing rough-ins, a new bedroom, and family room. Includes assoc. Mep's. | $46,984 | [PMT2014-04518](https://nearbypermits.com/boulder/permit/PMT2014-04518/) |
| Jul 27, 2012 | Fence, wall or deck | Erection of approximately 105 lineal feet of 6' high cedar privacy fencing along portions of the side & rear property lines. Fence across drainage swale to comply with enclosed drawing. | $3,700 | [PMT2012-03633-FEN](https://nearbypermits.com/boulder/permit/PMT2012-03633-FEN/) |
| Jan 20, 2012 | Plumbing | New SFD -- three story structure comprised of 4 bedrooms, 2.5 bathrooms, (w/ basement rough-in) 3105 sf finished, 1197 sf unfinished basement, 589 sf attached garage, 710 sf in decks & porches. Rough in a/c lines, gas piping to roof for fire-pit, hardpipe BBQ device at back porch. See ADR2010-00233  | $10,000 | [PMT2011-04935-PLB](https://nearbypermits.com/boulder/permit/PMT2011-04935-PLB/) |
| Jan 20, 2012 | Mechanical (HVAC) | New SFD -- three story structure comprised of 4 bedrooms, 2.5 bathrooms, (w/ basement rough-in) 3105 sf finished, 1197 sf unfinished basement, 589 sf attached garage, 710 sf in decks & porches. Rough in a/c lines, gas piping to roof for fire-pit, hardpipe BBQ device at back porch. See ADR2010-00233  | $11,000 | [PMT2011-04935-MEC](https://nearbypermits.com/boulder/permit/PMT2011-04935-MEC/) |
| Jan 20, 2012 | Electrical | New SFD -- three story structure comprised of 4 bedrooms, 2.5 bathrooms, (w/ basement rough-in) 3105 sf finished, 1197 sf unfinished basement, 589 sf attached garage, 710 sf in decks & porches. Rough in a/c lines, gas piping to roof for fire-pit, hardpipe BBQ device at back porch. See ADR2010-00233  | $7,000 | [PMT2011-04935-ELE](https://nearbypermits.com/boulder/permit/PMT2011-04935-ELE/) |
| Jan 20, 2012 | New building | New SFD -- three story structure comprised of 4 bedrooms, 2.5 bathrooms, (w/ basement rough-in) 3105 sf finished, 1197 sf unfinished basement, 589 sf attached garage, 710 sf in decks & porches. Rough in a/c lines, gas piping to roof for fire-pit, hardpipe BBQ device at back porch. See ADR2010-00233  | $400,000 | [PMT2011-04935](https://nearbypermits.com/boulder/permit/PMT2011-04935/) |

## More on this street

Other addresses on Westcliffe Ct with permits, nearest house number first:

- [4111 Westcliffe Ct](https://nearbypermits.com/boulder/address/4111-westcliffe-ct/): newest permit May 29, 2026
- [4162 Westcliffe Ct](https://nearbypermits.com/boulder/address/4162-westcliffe-ct/): newest permit Mar 30, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 09:50 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 15 permits at this address: https://nearbypermits.com/boulder/address/4121-westcliffe-ct/
